Justin Bieber accepts the American Music Award for pop/rock male artist. "This is for the haters who thought that I was just maybe here for one or two years, but I feel like I'm gonna be here for a very long time," the young star said. Bieber also thanked his mother.

Justin Bieber accepts the American Music Award for pop/rock male artist. "This is for the haters who thought that I was just maybe here for one or two years, but I feel like I'm gonna be here for a very long time," the young star said. Bieber also thanked his mother. (John Shearer / Associated Press)

Taylor Swift accepts the award for country female artist for the fifth year in a row. "I'm so stoked," she said, thanking her fans. "I guess what I'm trying to say is I"m really, really happy right now, and it's all because of you."

Taylor Swift accepts the award for country female artist for the fifth year in a row. "I'm so stoked," she said, thanking her fans. "I guess what I'm trying to say is I"m really, really happy right now, and it's all because of you." (Kevin Winter / Getty Images)